High severity8.8NVD Advisory· Published Nov 14, 2018· Updated Jun 17, 2026

CVE-2018-8256

Description

A remote code execution vulnerability exists when PowerShell improperly handles specially crafted files, aka "Microsoft PowerShell Remote Code Execution Vulnerability." This affects Windows RT 8.1, PowerShell Core 6.0, Microsoft.PowerShell.Archive 1.2.2.0, Windows Server 2016, Windows Server 2012, Windows Server 2008 R2, Windows Server 2019, Windows 7, Windows Server 2012 R2, PowerShell Core 6.1, Windows 10 Servers, Windows 10, Windows 8.1.

Affected products

Microsoft/PowerShell Corellm-fuzzy
Microsoft/Powershellllm-fuzzy2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)range: 6.0
Microsoft/Microsoft.PowerShell.Archivev5
Range: 1.2.2.0
Microsoft/Windows 10 1909cpe-rescue
Range: 32-bit Systems
Microsoft/Windows Server 2003cpe-rescue
Range: version 1709 (Server Core Installation)
Microsoft/Windows 7cpe-rescue
Range: 32-bit Systems Service Pack 1
Microsoft/Windows 8.1cpe-rescue
Range: 32-bit systems
Microsoft/Windows Rt 8.1cpe-rescue
Range: Windows RT 8.1
Microsoft/Windows Server 2008cpe-rescue
Range: Itanium-Based Systems Service Pack 1
Microsoft/Windows Server 2012cpe-rescue2 versions
(Server Core installation)+ 1 more
- (no CPE)range: (Server Core installation)
- (no CPE)range: (Server Core installation)
Microsoft/Windows Server 2016cpe-rescue
Range: (Server Core installation)
Microsoft/Windows Server 2019cpe-rescue
Range: (Server Core installation)

Patches

Vulnerability mechanics

References

portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8256nvdPatchVendor Advisory
www.securityfocus.com/bid/105781nvdThird Party AdvisoryVDB Entry
www.securitytracker.com/id/1042108nvdThird Party AdvisoryVDB Entry

News mentions

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cvss	0.572
epss	0.018
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000